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Update, expand comments. Change PitchName_Absolute calculation slightly.

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v.audacity 2012-02-11 01:29:10 +00:00
parent 5ff55f989a
commit 93806c8331
1 changed files with 10 additions and 20 deletions
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30
src/PitchName.cpp
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@ -1,13 +1,13 @@
/**********************************************************************
Audacity: A Digital Audio Editor
Audacity: A Digital Audio Editor
Audacity(R) is copyright (c) 1999-2012 Audacity Team.
License: GPL v2. See License.txt.
PitchName.cpp
Vaughan Johnson and Dominic Mazzoni.
Copyright 2005-9, Vaughan Johnson and Dominic Mazzoni.
All rights reserved.
*******************************************************************//*!
******************************************************************//**
\file PitchName.cpp
\brief Utilities for converting from frequency to pitch
@ -128,8 +128,9 @@ wxChar * PitchName(double pitchNum, bool bWantFlats /* = false */)
}
// PitchName_Absolute does the same thing as PitchName, but appends
// the register number, e.g., instead of "C" it will return "C4"
// if the pitchNum corresonds to middle C.
// the octave number, e.g., instead of "C" it will return "C4"
// if the pitchNum corresonds to middle C, i.e., is 60.
// ("Scientific Pitch Notation")
// Sharps are the default, unless, bWantFlats is true.
wxChar * PitchName_Absolute(double pitchNum, bool bWantFlats /* = false */)
{
@ -137,20 +138,9 @@ wxChar * PitchName_Absolute(double pitchNum, bool bWantFlats /* = false */)
// PitchName sets pPitchName to the next available char in gPitchName,
// so it's ready to append the register number.
wxSnprintf(pPitchName, 8, wxT("%d"), (((int)(pitchNum + 0.5) / 12) - 1));
int octaveNum = ((int)((pitchNum + 0.5) / 12) - 1);
wxSnprintf(pPitchName, 8, wxT("%d"), octaveNum);
return gPitchName;
}
// Indentation settings for Vim and Emacs and unique identifier for Arch, a
// version control system. Please do not modify past this point.
//
// Local Variables:
// c-basic-offset: 3
// indent-tabs-mode: nil
// End:
//
// vim: et sts=3 sw=3
// arch-tag: 71a57231-e6fd-4e65-8839-08451f7b4dff